Simple sentence with understood subject.
The prepositional phrase for this sentence is "go until Friday." The word "go" is a preposition. Think of it as a squirrel and a log. To find a preposition, say "The squirrel (went) [insert preposition] the log." If it makes sense, it is a preposition. Then just find the phrase to go along with it!
Muck fires are started by buried dead/decomposed vegetation/plants that explodes or is lighted by an event such as accidentally dropping fire on the ground or a lightning strike.
Don't know the story so can't help with that..
He reveals himself to friends and family by seeing his
trusted allies first. Then his maid sees
the scar on his leg. He also shoots the
arrow effortlessly through the rings and later he reveals the secret of the bed
that confirms his identity.